Sumi palette
Iris Mill
Iris Mill runs #8e2b00 through #cd450a, #ed6333, #f37d57 to #ffa689 in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#8e2b00
#cd450a
#ed6333
#f37d57
#ffa689
The generator opens with #8e2b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.